OK, so a local dirt track under new management moved from NDRA to FASTRAK, presumably loosing the Carolina Clash series dates in the process, and gaining the new "Southern All-Stars East - ULTIMATE SLM Series" dates.
So, what's the difference between the NDRA and Carolina Clash versus FASTRAK and SASE - ULTIMATE SLM Series (hate that name!)? Except for some odd things that happened around the big race at the Dirt Track@Charlotte, the NDRA has seemed to keep a cleaner name and the Carolina Clash is much more established and has a known following. FASTRAK is much larger, though, and can bring more resources to bear.
Past that, what's the big difference - technical and otherwise? What are your preferences?